28944180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^2$

素因数の和:817

約数の個数: 54

約数和(自身を含む): 88016838

約数和(自身を除く): 59072658

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 2005, 2406, 3609, 4010, 4812, 6015, 7218, 8020, 12030, 14436, 18045, 24060, 36090, 72180, 160801, 321602, 482403, 643204, 804005, 964806, 1447209, 1608010, 1929612, 2412015, 2894418, 3216020, 4824030, 5788836, 7236045, 9648060, 14472090, 28944180]

約数ペア:

[(1, 28944180), (2, 14472090), (3, 9648060), (4, 7236045), (5, 5788836), (6, 4824030), (9, 3216020), (10, 2894418), (12, 2412015), (15, 1929612), (18, 1608010), (20, 1447209), (30, 964806), (36, 804005), (45, 643204), (60, 482403), (90, 321602), (180, 160801), (401, 72180), (802, 36090), (1203, 24060), (1604, 18045), (2005, 14436), (2406, 12030), (3609, 8020), (4010, 7218), (4812, 6015)]